Currently, many educational resources, study notes, project reports, and data visualizations are created and shared as HTML files. It would be extremely helpful if Goodnotes allowed users to import HTML files directly into the app, just as they can import PDFs and Word documents.

I would particularly appreciate the following capabilities:

1. Direct HTML import: Allow users to import .html and .htm files from the Files app, iCloud Drive, and other supported locations.
2. Apple Pencil annotation: Enable users to write with a pen, highlight text, erase annotations, draw diagrams, and add handwritten notes directly to the imported content.
3. Preserve formatting: Retain the original layout, text, tables, images, code snippets, and mathematical expressions as accurately as possible.
4. Offline access: Allow imported HTML documents to remain available for studying and annotating without an internet connection.
5. Interactive content support: Where technically feasible, preserve interactive elements in a reading or preview mode while providing an annotation mode.

Ideally, Goodnotes could render an HTML document into a high-quality, paginated document while retaining the ability to annotate every page with the same tools available for PDFs.

This feature would be especially valuable for students who receive HTML study materials, programming notes, interactive reports, and project documentation. Instead of converting every file into a PDF using another application, users could import their materials directly into Goodnotes and annotate them in one place.